LEASES · O-9-16447 · OIL · DISTRICT 7C
Karen
COG Operating LLC · Upton County · Spraberry (Trend Area) field
Karen is an RRC oil lease (O-9-16447) in Upton County operated by Cog Operating LLC, with 9 wells completed on it.
It has reported 541K barrels of oil and 1.47M mcf of gas since December 2007, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 12.7K barrels of oil in the 12 months through April 2026, down 17% on the year before; the lease peaked at 17.6K barrels in June 2011.
2 operators have filed production on it, most recently Cog Operating LLC since January 2009.
- 541K
- bbl oil, all reported
- 1.47M
- mcf gas incl. casinghead
- 12.7K
- bbl oil, 12 months through Apr 2026
- -17%
- vs the 12 before
- 9
- wells completed on it
- 17.6K
- peak month, bbl (Jun 2011)
PDQ LEASE REPORTS · FIRST DEC 2007 · LAST VOLUME APR 2026 · STATEWIDE DATA THROUGH APR 2026
Oil by month
Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.
12 months through Apr 2026 12,707 · prior 12 15,317(-17%)
Gas by month
Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.
12 months through Apr 2026 43,549 · prior 12 54,113(-20%)
Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of oil reports follow one decline closely enough to project (R² of 0.7 or better over at least a year since the peak). This lease's recent history does not, so a projection would be a guess dressed as a number.
Who reported it
Each run of months one operator filed the production report, oldest first.
- Henry Petroleum LPDec 2007 → Dec 2008 · 13 mo
- COG Operating LLCJan 2009 → Jul 2026 · 211 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
9
wells completed on the lease
- Plugged
- 4
- Shut In
- 3
- Producing
- 2
Operates them now
About this data
Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.
Developers: this page as JSON is GET /v1/data/leases/tx/o-9-16447, documented in the API reference.